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51. 2004 Bauch PTB-Mitt 114,4 DCF77
Date: 01.03.2010
Percental score: 2 %

2004 Bauch PTB-Mitt 114,4 DCF77 PTB-Mitteilungen 114 (2004), Heft 4 Themenschwerpunkt • 345 Zeit- und Normalfrequenzverbreitung mit DCF77 Dirk Piester1, Peter Hetzel2 und Andreas
52. Broadband measuring station for the extended testing of the directional response pattern of sound level meters and the calibration of measuring microphones
Date: 07.04.2010
Percental score: 5 %

It is common practice to use sinusoidal sound signals as an excitation signal to reach the low measurement uncertainties required for the testing of the directional response pattern of sound level
53. The half-life of Se-79
Date: 13.07.2010
Percental score: 4 %

Within the scope of a cooperation of several institutes, the half-life of the long-lived isotope Se-79 could be determined with a clearly improved uncertainty. PTB has contributed in particular by
54. Successful testing of platinum-iridium sorption artefacts for precision mass determinations under vacuum conditions
Date: 27.07.2010
Percental score: 5 %

The influence of sorption effects on the accuracy of mass determinations under vacuum conditions was significantly reduced by means of sorption artefacts made of a platinum-iridium alloy. The
55. How many nanoparticles heat the tumour?
Date: 28.07.2010
Percental score: 6 %

Those who have to fight a powerful enemy must look for allies. This is why physicists from different scientific fields have decided to cooperate with biomedical physicians in order to place the
56. PTB News 2/2000
Date: 05.08.2010
Percental score: 2 %

PTB News 2/2000, English edition, Issue August 2000 PTB News 2/2000 00.2 news Metrology Technology Services Cooperation Single Electrons Riding the Surface Acoustic Waves PTB has developed
57. PTB News 3/2001
Date: 05.08.2010
Percental score: 2 %

PTB News 3/2001, English edition, Issue December 2001 PTB News 3/2001 01.3 news Metrology Technology Services Cooperation Micro ion beam for radiobiology At PTB’s ion acceleration facility a new
58. PTB News 1/2002
Date: 05.08.2010
Percental score: 2 %

PTB News 1/2002, English edition, Issue March 2002 PTB News 1/2002 02.1 news Metrology Technology Services Cooperation β-radiation standard for brachytherapy The chances of lastingly opening
59. PTB News 1/2003
Date: 05.08.2010
Percental score: 2 %

PTB News 1/2003, English edition, Issue March 2003 PTB News 1/2003 03.1 news Metrology Technology Services Cooperation Avogadro constant re-measured Measurements on silicon composed of its natural
60. PTB News 2/2003
Date: 05.08.2010
Percental score: 2 %

PTB News 2/2003, English edition, Issue August 2003 PTB News 2/2003 03.2 Metrology Technology Services Cooperation news High-accuracy optical frequency standard With the aid of a single stored

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